51000001155115 has 16 divisors (see below), whose sum is σ = 61682454282240. Its totient is φ = 40478371526880.

The previous prime is 51000001155053. The next prime is 51000001155119. The reversal of 51000001155115 is 51155110000015.

It is not a de Polignac number, because 51000001155115 - 2⁷ = 51000001154987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51000001155115.

It is not an unprimeable number, because it can be changed into a prime (51000001155119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84815170 + ... + 85414360.

It is an arithmetic number, because the mean of its divisors is an integer number (3855153392640).

Almost surely, 2^{51000001155115} is an apocalyptic number.

51000001155115 is a deficient number, since it is larger than the sum of its proper divisors (10682453127125).

51000001155115 is a wasteful number, since it uses less digits than its factorization.

51000001155115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733362.

The product of its (nonzero) digits is 625, while the sum is 25.

The spelling of 51000001155115 in words is "fifty-one trillion, one million, one hundred fifty-five thousand, one hundred fifteen".